feat: migrated to chezmoi

run_once_00-prereqs.sh

@@ -0,0 +1,36 @@
+#!/bin/bash
+# run_once_00-prereqs.sh
+# Verifies that the tools required by later run_once scripts are installed.
+
+set -euo pipefail
+
+missing=()
+
+need_cmd() {
+    command -v "$1" >/dev/null 2>&1 || missing+=("$1")
+}
+
+need_cmd sudo
+need_cmd git
+need_cmd curl
+need_cmd age         
+need_cmd jq           
+need_cmd pacman || need_cmd apt-get
+need_cmd chezmoi
+
+if (( ${#missing[@]} > 0 )); then
+    cat <<EOF
+>>> Missing prerequisites: ${missing[*]}
+
+Install them for your distro, then re-run \`chezmoi apply\`:
+
+  Arch:   sudo pacman -S --needed git curl sudo age jq
+  Ubuntu: sudo apt-get install -y git curl sudo age jq
+
+\`age\` is also available at https://github.com/FiloSottile/age as a static
+binary if your distro does not package it.
+EOF
+    exit 1
+fi
+
+echo ">>> prereqs OK"